Base | Representation |
---|---|
bin | 1011111110101… |
… | …01011011101011 |
3 | 21000002100220120 |
4 | 11333111123223 |
5 | 201211121224 |
6 | 13545454323 |
7 | 2330066445 |
oct | 577253353 |
9 | 230070816 |
10 | 100488939 |
11 | 517a5911 |
12 | 297a13a3 |
13 | 17a85215 |
14 | d4bb495 |
15 | 8c4e779 |
hex | 5fd56eb |
100488939 has 12 divisors (see below), whose sum is σ = 134780856. Its totient is φ = 66596992.
The previous prime is 100488937. The next prime is 100489009. The reversal of 100488939 is 939884001.
It is not a de Polignac number, because 100488939 - 21 = 100488937 is a prime.
It is a super-2 number, since 2×1004889392 = 20196053722691442, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 100488939.
It is not an unprimeable number, because it can be changed into a prime (100488937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162559 + ... + 163175.
It is an arithmetic number, because the mean of its divisors is an integer number (11231738).
Almost surely, 2100488939 is an apocalyptic number.
100488939 is a deficient number, since it is larger than the sum of its proper divisors (34291917).
100488939 is an frugal number, since it uses more digits than its factorization.
100488939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1086 (or 853 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 100488939 is about 10024.4171401633. The cubic root of 100488939 is about 464.9141383842.
The spelling of 100488939 in words is "one hundred million, four hundred eighty-eight thousand, nine hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •